CN2149423Y - Safety protection cover for underground well - Google Patents

Abstract

The utility model discloses a safety protection cover for underground wells, comprising a cover ring and a cover plate. A protective lock for locking the cover plate and the cover ring is arranged under the cover plate. The protective lock is mainly composed of a rotation disc, a lock arm, a lock block, an opening pin, etc. In addition, the unlocking hole of the safety protection cover for underground wells is penetrated upward and downward, which can prevent the silt from clogging the unlocking hole. The utility model has the advantages of simple structure, reasonable design and flexible and convenient use. The cover plate can be prevented from being stolen up to the hilt by applying the utility model. Thereby, the occurrences of the human injury and traffic accident can be avoided.

Description

Safety protection cover for underground well

The utility model is a kind of missile silo security protection lid.

At present, the tap water meter lid and the valve well lid that use, sewage lid and underground electric wire clean-out cover, without any protective equipment, thereby it is stolen that cover plate often takes place, like this, not only cause economic loss to the user, and therefore the person and traffic accident take place, and caused that society payes attention to and the appealing of the press, be the problem that a utmost point need to wait solution.

The purpose of this utility model is a kind of underground security protection lid of design, thereby avoids the person and the traffic accident that take place because of cover plate is stolen.

The utility model comprises decorative cover, is stamped a cover plate on decorative cover, and its feature is that a Protective lock that cover plate and decorative cover are locked together is installed below cover plate.

This Protective lock comprises rotating disc, rotating disc is enclosed within on the positioning sleeve that connects together with cover plate, flexibly connecting hammerlock one end on the rotating disc edge, the other end of the hammerlock lock dog of ining succession, lock dog is contained in the scaffold that is fixed on the cover plate limit, in the framework and the spring that can eject lock dog is housed, open pin or on the rotating disc edge, be provided with opening pin being provided with on the rotating disc bottom surface.

During use, key is inserted from open keyhole, can stir the rotating disc rotation by opening pin or opening pin, and drive lock dog, thereby can freely open Protective lock by hammerlock.

The purpose of this utility model can also reach by following scheme, the utility model comprises decorative cover, cover plate and Protective lock, wherein Protective lock comprises the fixedly lock dog that is fixed on cover plate one side, another side at cover plate is provided with the fixed disk that is fixed together with cover plate, be provided with eccentric disc below the fixed disk, eccentric disc is provided with eccentric grove, and eccentric disc is assemblied on the fixed disk with the bolt activity by eccentric grove, also is provided with out the unlatching pin that pellet shot from a slingshot and marble spring are formed on eccentric disc.

During use, at first block decorative cover, key can be inserted from open keyhole then, can stir eccentric disc and rotate by opening pin, thereby open or pin Protective lock with fixing lock dog.

The utility model can prevent to greatest extent that cover plate is stolen owing to designed Protective lock; Thereby avoided the generation of the person and traffic accident, and simultaneously, the open keyhole in the utility model is a up/down perforation, silt can not stop up, and is flexible and convenient to use.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is first example structure of the utility model figure;

Fig. 2 is the upward view of Fig. 1;

Fig. 3 is second example structure figure;

Fig. 4 is the upward view of Fig. 3;

Fig. 5 is the structure chart of the 3rd embodiment;

Fig. 6 is the upward view of Fig. 5.

In first embodiment illustrated in figures 1 and 2, missile silo security protection lid comprises decorative cover (2), be stamped cover plate (1) on the decorative cover (2), its characteristics are to install a Protective lock (3) below cover plate (1), Protective lock (3) comprises rotating disc (8), rotating disc (8) is enclosed within on the positioning sleeve (9) that connects together with cover plate (1), flexibly connecting an end of hammerlock (7) on the edge of rotating disc (8), its other end is connecting lock dog (4), lock dog (4) is contained in the scaffold (5) that is fixed on cover plate (1) limit, in the framework (5) and a spring (6) that can eject lock dog (4) arranged, on rotating disc (8) bottom surface, be provided with and open pin (10), during use, as long as key is inserted from open keyhole (11), stir rotating disc (8) rotation by opening pin (10), can open or lock Protective lock in freedom and flexibility ground.

Fig. 3 and shown in Figure 4 be second embodiment, the present embodiment and first embodiment are basic identical, its difference is, present embodiment replaces opening pin (10) and being located on the edge of rotating disc (8) with opening pin (18), during use, key is inserted open keyhole (11), stir opening pin (18), can open neatly or the lock dog Protective lock.

Fig. 5 and shown in Figure 6 be the 3rd embodiment, it comprises decorative cover (2), cover plate (1) and Protective lock (3), wherein Protective lock (3) comprises the fixedly lock dog (19) that is fixed on cover plate (1) one side, another side at cover plate (1) is provided with the fixed disk (15) that is fixed together with cover plate (1), it has eccentric disc (14), eccentric grove (16) is arranged on the eccentric disc (14), eccentric grove (14) is assemblied on the fixed disk (15) with bolt (17) activity by eccentric grove (16), on eccentric disc (14), also be provided with the unlatching pin of forming by marble spring (12) and pellet shot from a slingshot (13) (20), during use, at first block decorative cover (2) with fixing lock dog (19), key can be inserted open keyhole (11) then, stir eccentric disc (15), can open or sell Protective lock by opening pin (20).

Claims (3)

1, missile silo security protection lid, it comprises decorative cover (2), is stamped a cover plate (1) on decorative cover (2), it is characterized in that being provided with below cover plate (1) Protective lock (3) that cover plate (1) and decorative cover (2) are locked together.

2, missile silo security protection lid according to claim 1, it is characterized in that, described Protective lock (3), it comprises rotating disc (8), rotating disc (8) is enclosed within on the positioning sleeve (9) that connects together with cover plate (1), on the edge of rotating disc (8), flexibly connecting an end of hammerlock (7), the other end of hammerlock (7) lock dog (4) of ining succession, lock dog (4) is contained in the scaffold (5) that is fixed on cover plate (1) limit, in the framework (5) and a spring (6) that can eject lock dog (4) is arranged, on rotating disc (8) bottom surface, be provided with and open pin (10) or on the edge of rotating disc (8), be provided with opening pin (18).

3, missile silo security protection lid according to claim 1, it is characterized in that described Protective lock (3), it comprises the fixedly lock dog (19) that is fixed on cover plate (1) one side, another side at cover plate (1) is provided with the fixed disk (15) that is fixed together with cover plate (1), be provided with eccentric disc (14) below the fixed disk (15), eccentric disc (14) is provided with eccentric grove (16), eccentric disc (14) is assemblied on the fixed disk (15) with bolt (17) activity by eccentric grove (16), also is provided with the unlatching pin of being made up of marble spring (12) and pellet shot from a slingshot (13) (20) on eccentric disc (14).

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